Finding the Fourth Proportional to 122,747.94, 168,658.07 and 97,553.70
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Solution
The fourth proportional to 122,747.94, 168,658.07 and 97,553.70 is: 134,040.69
Step by Step Solution
- Step 1: Write the proportion equation
122,747.94 : 168,658.07 = 97,553.70 : x - Step 2: Convert to fraction form
122,747.94/168,658.07 = 97,553.70/x - Step 3: Cross multiply
122,747.94x = 168,658.07 × 97,553.70 - Step 4: Simplify right side
122,747.94x = 16,453,218,275.59 - Step 5: Solve for x
x = 16,453,218,275.59/122,747.94 - Step 6: Final answer
x = 134,040.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.